The design of electro-optical sensors

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The design of electro-optical sensors

Cours

Signal to noise ratio and performance of an electro-optical sensor

Sources of noise in an electro-optical sensor
Figure 13 : Sources and values of noise in an electro-optical sensor creativecommons : publicdomain
Performance and range evaluation of an electro-optical sensor
Figure 15 : Range equation of an electro-optical sensor creativecommons : publicdomain

Case study : detection systems

Tableau 01 creativecommons : publicdomain

Statistics of the electrical output signal

Figure 16 : Output voltage probability density functions in the absence and in the presence of the target (weak, medium, or strong signal) creativecommons : publicdomain

False alarm rate and setting of the threshold value

Tableau 02 creativecommons : publicdomain

Probability of detection and minimal value of SNR

Tableau 03 : Correspondence between reciprocal functions y and g(y) for a Gaussian distribution creativecommons : publicdomain
Figure 17 : Relationships between Pd, PFA and signal to noise ratio (case of stationary signal) creativecommons : publicdomain
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